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{{Short description|Multiple star system in the constellation Ara}}
{{No citations|date=October 2010}}
{{Starbox begin |
{{Starbox begin
name=HD 150136 or IDS 16338-4834 A }}
| name=HD 150136
}}
{{Starbox observe |
{{Starbox image
epoch=J2000 |
| image=
ra=16<sup>h</sup> 41<sup>m</sup> 20.4149<sup>s</sup> |
{{Location mark
dec= -48° 45&prime; 46.644&Prime; |
|image=Ara constellation map.svg
appmag_v=5.66 |
|float=center
constell=[[Ara (constellation)|Ara]] }}
|alt=
{{Starbox character |
|label=
class=O3 |
|position=right
r-i = |
|width=260
v-r = |
|mark=Red circle.svg
b-v = 0.13 |
|mark_width=10
u-b = -0.8 |
|mark_link=HD 150136
variable= }}
|x=826|y=433
{{Starbox astrometry |
}}
radial_v=23 |
|caption=Location of HD 150136 (circled)
prop_mo_ra=-1.14 |
}}
prop_mo_dec=5.49 |
{{Starbox observe
parallax=-1.86 |
| epoch=J2000
p_error=2.15 |
| ra={{RA|16|41|20.41559}}<ref name=dr3/>
absmag_v=5.78 }}
| dec={{DEC|−48|45|46.7305}}<ref name=dr3/>
{{Starbox detail|
| appmag_v=5.54<ref name=apjss51_321/>
mass=64 |
| constell=[[Ara (constellation)|Ara]]
radius=16 |
}}
luminosity=1400,000 |
{{Starbox character
temperature=30,000–60,000 |
| class={{nowrap|O3 V((f*)) - O3.5 V((f+)) +}} {{nowrap|O5.5-6 V((f)) +}} {{nowrap|O6.5-7 V((f))}}<ref name=mahy/>
metal= |
| r-i =
rotational_velocity=152 |
age= }}
| v-r =
| b-v = +0.20<ref name=apjss51_321/>
{{Starbox catalog |
| u-b = −0.76<ref name=apjss51_321/>
names=[[Bright Star Catalogue|HR]] 6187, [[Durchmusterung|CD]]-48° 11070, [[Hipparcos Catalogue|HIP]] 81702, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 227049. }}
| variable=
{{Starbox reference |
}}
Simbad=HD+150136
{{Starbox astrometry
| ARICNS = }}
| radial_v=−27<ref name=Pourbaix2004/>
{{starbox sources|HIP|CCDM|HR}}
| prop_mo_ra=+2.514<ref name=dr3/>
{{Starbox reference |
| prop_mo_dec=−4.309<ref name=dr3/>
Simbad=IDS+16338-4834 }}
| parallax=0.6934
| p_error=0.0484
| parallax_footnote=<ref name=dr3/>
| dist_ly={{Convert|1320|±|120|pc|ly|abbr=on|order=flip}}<ref name=Sana2013/>
| absmag_v=−6.47 {{nowrap|(−5.91 + −4.90 + −4.44)}}<ref name=mahy/>
}}
{{Starbox orbit
| reference = <ref name=Sana2013/>
| primary = Primary
| name = Secondary
| period = <!--Period (in years)-->
| period_unitless = 2.67454 days
| axis =
| axis_unitless = {{solar radius|38.2}}<ref name=mahy/>
| eccentricity = 0
| inclination = 53<ref name=lb2017/>
| node = <!--Longitude of node (in degrees)-->
| periastron = <!--Periastron epoch-->
| periarg = <!--Argument of periastron (in degrees), secondary -->
| periarg_primary = <!--Argument of periastron (in degrees), primary -->
| k1 = 208.3
| k2 = 334.5
}}
{{Starbox orbit|no_heading=y
| reference = <ref name=lb2017/>
| primary = Primary/Secondary
| name = Tertiary
| period_unitless = {{val|3,069|ul=days}}
| axis = 16.918
| axis_unitless = {{val|20.9|ul=AU}}<ref name=Sana2013/>
| eccentricity = 0.6780
| inclination = 106.11
| k1 = 22.1
| k2 = 70.6
}}
{{Starbox detail
| source=<ref name=mahy/>
| component1=Primary
| mass=54<ref name=lb2017/>
| radius=12.13
| luminosity=724,000
| temperature=46,500
| metal_fe=
| gravity=4.00
| rotational_velocity=171
| age_myr=
| component2=Secondary
| mass2=34<ref name=lb2017/>
| radius2=9.54
| luminosity2=209,000
| temperature2=40,000
| metal_fe2=
| gravity2=4.00
| rotational_velocity2=136
| age_myr2=0-2
}}
{{Starbox detail|no_heading=y
| source=<ref name=mahy/>
| component1=Tertiary
| mass=27.1<ref name=lb2017/>
| radius=8.24
| luminosity=102,000
| temperature=36,000
| metal_fe=
| gravity=3.50
| rotational_velocity=72
| age_myr=1-3
}}
{{Starbox catalog
| names=[[Henry Draper Catalogue|HD]]&nbsp;150136, [[Cordoba Durchmusterung|CD]]−48°11070, [[Hipparcos Catalogue|HIP]] &nbsp;81702, [[Bright Star Catalogue|HR]]&nbsp;6187, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]]&nbsp;227049, [[Washington Double Star Catalog|WDS]]&nbsp;J16413-4846
}}
{{Starbox reference
| Simbad=HD+150136
}}
{{Starbox end}}
{{Starbox end}}
'''HD 150136''' is a [[double star|double]] or multiple star. "In cluster [[NGC 6193]] #1. Neutral hydrogen shell around the cluster probably at greater distance and not associated with the cluster. High luminosity member of Ara OB1a complex." [http://www.alcyone.de/cgi-bin/search.pl?object=HR6187]{{Failed verification|date=January 2010}}
'''HD 150136''' is a [[multiple star system]] in the southern [[constellation]] of [[Ara (constellation)|Ara]], around 4,300 light years away. It is the brightest member of the faint [[open cluster]] [[NGC 6193]], part of the Ara OB1 [[stellar association|association]].


==System==
[[File:Caldwell 82 (50291992637).jpg|thumb|left|Closeup of the [[NGC 6193]] cluster, resolving HD 150136 and HD 150135]]
HD 150136 is listed in the [[Washington Double Star Catalog]] as having seven visual components within {{val|30|ul=arcseconds}}. Component A is a close triple system containing three massive [[OB star|class O]] [[main sequence]] stars. The brightest companion is catalogued individually as '''HD 150135''' as well as component C of the multiple system, separated by only 10 arcseconds. It is another O class spectroscopic binary and also a member of NGC 6193. The other catalogued components are all 10th to 12th magnitude, similar to many other stars known to be members of [[NGC 6193]].<ref name=wds/>

The primary star consists of a double-lined [[spectroscopic binary]]<ref name=Pourbaix2004/> with a more distant tertiary companion. The third star is orbiting the other two with a [[orbital period|period]] of 8.2&nbsp;years, an [[orbital eccentricity|eccentricity]] of 0.73, and an [[Orbital inclination|inclination]] of 108°. The close binary stars are separated by hardly more than their own diameters and orbit in less than 3 days, but the third is separated enough to have been resolved visually by [[VLTI]]. The measured separation in 2012 was 9 [[milli-arcsecond]]s, corresponding to 11-12 AU.<ref name=Sana2013/>

==Properties==
All three (four, including HD 150135) of the brightest stars are massive luminous O class main sequence stars, 27 to 54 times as [[solar mass|massive as the Sun]]. They are around 10 times the [[solar radius|size of the Sun]], but 6-8 times hotter and each is over 100,000 times [[solar luminosity|as luminous]]. The primary star is the closest O3 star to Earth, {{val|fmt=commas|46,500|ul=K}}, visually 18,000 times as bright as the sun, but because of its high temperature it is around three quarters of a million times more luminous including all wavelengths.<ref name=mahy/>

==See also ==

* [[List of most massive stars]]
==References==
==References==
{{reflist|refs=

<ref name=dr3>{{cite Gaia DR3|5940954177259978880}}</ref>

<ref name=lb2017>{{cite journal |bibcode=2017A&A...601A..34L |title=Resolved astrometric orbits of ten O-type binaries |last1=Le Bouquin |first1=J. -B |last2=Sana |first2=H. |last3=Gosset |first3=E. |last4=De Becker |first4=M. |last5=Duvert |first5=G. |last6=Absil |first6=O. |last7=Anthonioz |first7=F. |last8=Berger |first8=J. -P. |last9=Ertel |first9=S. |last10=Grellmann |first10=R. |last11=Guieu |first11=S. |last12=Kervella |first12=P. |last13=Rabus |first13=M. |last14=Willson |first14=M. |journal=Astronomy and Astrophysics |year=2017 |volume=601 |pages=A34 |doi=10.1051/0004-6361/201629260 |arxiv=1608.03525 |s2cid=53686222 }}</ref>

<ref name=wds>{{cite journal|bibcode=2001AJ....122.3466M|title=The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog|journal=The Astronomical Journal|volume=122|issue=6|pages=3466–3471|last1=Mason|first1=Brian D.|last2=Wycoff|first2=Gary L.|last3=Hartkopf|first3=William I.|last4=Douglass|first4=Geoffrey G.|last5=Worley|first5=Charles E.|year=2001|doi=10.1086/323920|doi-access=free}}</ref>

<ref name=Pourbaix2004>{{cite journal
| display-authors=1
| journal=Astronomy & Astrophysics
| last1=Pourbaix | first1=D.
| last2=Tokovinin | first2=A. A.
| last3=Batten | first3=A. H.
| last4=Fekel | first4=F. C.
| last5=Hartkopf | first5=W. I.
| last6=Levato | first6=H.
| last7=Morrell | first7=N. I.
| last8=Torres | first8=G.
| last9=Udry | first9=S.
| title=SB9: The ninth catalogue of spectroscopic binary orbits
| volume=424 | issue=2
| pages=727–732
| date=2004
| doi=10.1051/0004-6361:20041213
| bibcode=2004A&A...424..727P
|arxiv = astro-ph/0406573 | s2cid=119387088
}}</ref>

<ref name=apjss51_321>{{cite journal
| display-authors=1
| last1=Schild | first1=R. E.
| last2=Garrison | first2=R. F.
| last3=Hiltner | first3=W. A.
| title=UBV photometry for southern OB stars
| journal=Astrophysical Journal Supplement Series
| volume=51 | pages=321–336 |date=April 1983
| doi=10.1086/190852
| bibcode=1983ApJS...51..321S
}}</ref>

<ref name=Sana2013>{{cite journal
| display-authors=1
| last1=Sana | first1=H.
| last2=Le Bouquin | first2=J.-B.
| last3=Mahy | first3=L.
| last4=Absil | first4=O.
| last5=De Becker | first5=M.
| last6=Gosset | first6=E.
| title=Three-dimensional orbits of the triple-O stellar system HD 150136
| journal=Astronomy & Astrophysics
| volume=553 | id=A131 | pages=5
| date=May 2013
| doi=10.1051/0004-6361/201321189
| bibcode=2013A&A...553A.131S
|arxiv = 1304.3457 | s2cid=41993530 }}</ref>

<ref name=mahy>{{cite journal|bibcode=2012A&A...540A..97M|arxiv=1202.6215|title=Evidence for a physically bound third component in HD 150136|journal=Astronomy & Astrophysics|volume=540|pages=A97|last1=Mahy|first1=L.|last2=Gosset|first2=E.|last3=Sana|first3=H.|last4=Damerdji|first4=Y.|last5=De Becker|first5=M.|last6=Rauw|first6=G.|last7=Nitschelm|first7=C.|year=2012|doi=10.1051/0004-6361/201118199|s2cid=53517114}}</ref>

}}

==External links==
* {{cite journal
| display-authors=1
| last1=Leutenegger | first1=Maurice A.
| last2=Cohen | first2=David H.
| last3=Zsargó | first3=Janos
| last4=Martell | first4=Erin M.
| last5=MacArthur | first5=James P.
| last6=Owocki | first6=Stanley P.
| last7=Gagné | first7=Marc
| last8=Hillier | first8=D. John
| title=Modeling Broadband X-ray Absorption of Massive Star Winds
| journal=The Astrophysical Journal
| volume=719 | issue=2 | pages=1767–1774
| date=August 2010
| doi=10.1088/0004-637X/719/2/1767
| bibcode=2010ApJ...719.1767L
|arxiv = 1007.0783 | s2cid=14581446 }}
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%206187 HR 6187]
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%206187 HR 6187]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=CCDM+J16413-4846AB&ident=CCDM+J16413-4846AB&submit=Aladin+previewer Image HD 150136]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=CCDM+J16413-4846AB&ident=CCDM+J16413-4846AB&submit=Aladin+previewer Image HD 150136]
Line 47: Line 212:
* [[NGC 6193]]
* [[NGC 6193]]


{{Stars of Ara}}
[[Category:Ara (constellation)]]
[[Category:Henry Draper Catalogue objects]]
[[Category:Double stars]]


{{DEFAULTSORT:HD 150136}}
{{Binary-star-stub}}
[[Category:Ara (constellation)]]

[[Category:Henry Draper Catalogue objects|150136]]
[[fa:اچ‌دی ۱۵۰۱۳۶]]
[[Category:Triple star systems]]
[[ko:HD 150136]]
[[Category:Bright Star Catalogue objects|6187]]
[[zh:HD 150136]]
[[Category:O-type main-sequence stars]]
[[Category:Hipparcos objects|081702]]
[[Category:Durchmusterung objects]]
[[Category:Emission-line stars]]

Latest revision as of 12:48, 27 August 2023

HD 150136
Location of HD 150136 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 16h 41m 20.41559s[1]
Declination −48° 45′ 46.7305″[1]
Apparent magnitude (V) 5.54[2]
Characteristics
Spectral type O3 V((f*)) - O3.5 V((f+)) + O5.5-6 V((f)) + O6.5-7 V((f))[3]
U−B color index −0.76[2]
B−V color index +0.20[2]
Astrometry
Radial velocity (Rv)−27[4] km/s
Proper motion (μ) RA: +2.514[1] mas/yr
Dec.: −4.309[1] mas/yr
Parallax (π)0.6934 ± 0.0484 mas[1]
Distance4,310 ± 390 ly (1,320 ± 120 pc)[5] ly
Absolute magnitude (MV)−6.47 (−5.91 + −4.90 + −4.44)[3]
Orbit[5]
PrimaryPrimary
CompanionSecondary
Period (P)2.67454 days
Semi-major axis (a)38.2 R☉[3]
Eccentricity (e)0
Inclination (i)53[6]°
Semi-amplitude (K1)
(primary)		208.3 km/s
Semi-amplitude (K2)
(secondary)		334.5 km/s
Orbit[6]
PrimaryPrimary/Secondary
CompanionTertiary
Period (P)3069 d
Semi-major axis (a)16.918"
(20.9 AU[5])
Eccentricity (e)0.6780
Inclination (i)106.11°
Semi-amplitude (K1)
(primary)		22.1 km/s
Semi-amplitude (K2)
(secondary)		70.6 km/s
Details[3]
Primary
Mass54[6] M☉
Radius12.13 R☉
Luminosity724,000 L☉
Surface gravity (log g)4.00 cgs
Temperature46,500 K
Rotational velocity (v sin i)171 km/s
Secondary
Mass34[6] M☉
Radius9.54 R☉
Luminosity209,000 L☉
Surface gravity (log g)4.00 cgs
Temperature40,000 K
Rotational velocity (v sin i)136 km/s
Age0-2 Myr
Tertiary
Mass27.1[6] M☉
Radius8.24 R☉
Luminosity102,000 L☉
Surface gravity (log g)3.50 cgs
Temperature36,000 K
Rotational velocity (v sin i)72 km/s
Age1-3 Myr
Other designations
HD 150136, CD−48°11070, HIP  81702, HR 6187, SAO 227049, WDS J16413-4846
Database references
SIMBADdata

HD 150136 is a multiple star system in the southern constellation of Ara, around 4,300 light years away. It is the brightest member of the faint open cluster NGC 6193, part of the Ara OB1 association.

System

[edit]
Closeup of the NGC 6193 cluster, resolving HD 150136 and HD 150135

HD 150136 is listed in the Washington Double Star Catalog as having seven visual components within 30 arcseconds. Component A is a close triple system containing three massive class O main sequence stars. The brightest companion is catalogued individually as HD 150135 as well as component C of the multiple system, separated by only 10 arcseconds. It is another O class spectroscopic binary and also a member of NGC 6193. The other catalogued components are all 10th to 12th magnitude, similar to many other stars known to be members of NGC 6193.[7]

The primary star consists of a double-lined spectroscopic binary[4] with a more distant tertiary companion. The third star is orbiting the other two with a period of 8.2 years, an eccentricity of 0.73, and an inclination of 108°. The close binary stars are separated by hardly more than their own diameters and orbit in less than 3 days, but the third is separated enough to have been resolved visually by VLTI. The measured separation in 2012 was 9 milli-arcseconds, corresponding to 11-12 AU.[5]

Properties

[edit]

All three (four, including HD 150135) of the brightest stars are massive luminous O class main sequence stars, 27 to 54 times as massive as the Sun. They are around 10 times the size of the Sun, but 6-8 times hotter and each is over 100,000 times as luminous. The primary star is the closest O3 star to Earth, 46,500 K, visually 18,000 times as bright as the sun, but because of its high temperature it is around three quarters of a million times more luminous including all wavelengths.[3]

See also

[edit]

References

[edit]
  1. ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  2. ^ a b c Schild, R. E.; et al. (April 1983). "UBV photometry for southern OB stars". Astrophysical Journal Supplement Series. 51: 321–336. Bibcode:1983ApJS...51..321S. doi:10.1086/190852.
  3. ^ a b c d e Mahy, L.; Gosset, E.; Sana, H.; Damerdji, Y.; De Becker, M.; Rauw, G.; Nitschelm, C. (2012). "Evidence for a physically bound third component in HD 150136". Astronomy & Astrophysics. 540: A97. arXiv:1202.6215. Bibcode:2012A&A...540A..97M. doi:10.1051/0004-6361/201118199. S2CID 53517114.
  4. ^ a b Pourbaix, D.; et al. (2004). "SB9: The ninth catalogue of spectroscopic binary orbits". Astronomy & Astrophysics. 424 (2): 727–732. arXiv:astro-ph/0406573. Bibcode:2004A&A...424..727P. doi:10.1051/0004-6361:20041213. S2CID 119387088.
  5. ^ a b c d Sana, H.; et al. (May 2013). "Three-dimensional orbits of the triple-O stellar system HD 150136". Astronomy & Astrophysics. 553: 5. arXiv:1304.3457. Bibcode:2013A&A...553A.131S. doi:10.1051/0004-6361/201321189. S2CID 41993530. A131.
  6. ^ a b c d e Le Bouquin, J. -B; Sana, H.; Gosset, E.; De Becker, M.; Duvert, G.; Absil, O.; Anthonioz, F.; Berger, J. -P.; Ertel, S.; Grellmann, R.; Guieu, S.; Kervella, P.; Rabus, M.; Willson, M. (2017). "Resolved astrometric orbits of ten O-type binaries". Astronomy and Astrophysics. 601: A34. arXiv:1608.03525. Bibcode:2017A&A...601A..34L. doi:10.1051/0004-6361/201629260. S2CID 53686222.
  7. ^ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466–3471. Bibcode:2001AJ....122.3466M. doi:10.1086/323920.
[edit]
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